A) moving body B) virtue of its position C) All of the above D) static body
A) Newton metre B) Joules C) kilogram D) Newton
A) 40j B) 30j C) 10j D) 20j
A) chemical potential energy B) Nuclear potential energy C) electrical potential energy D) mechanical potential energy
A) motion B) rest C) none of the above D) all of the above
A) seconds B) meter C) Newton D) joules
A) Mercury B) Uranus C) earth D) Jupiter
A) Saturn B) Mars C) Pluto D) Mercury
A) Jupiter B) earth C) Neptune D) Saturn
A) Mars B) Saturn C) Jupiter D) Mercury
A) planets and moon B) stars and galaxies C) all of the above D) energy and power
A) 364 B) 363 C) 366 D) 365
A) 38m B) 380j C) 350N D) 450j
A) 367 days B) 365 days C) 366 days D) 365.24days
A) soil erosion B) rainfall C) bush burning D) farming
A) chore B) work C) walk D) job
A) evaporation, condensation and precipitation B) All of the above C) conducting, convection and radiation D) transportation, transpiration and evaporation
A) visible and invisible B) none of the above C) white and black D) ultraviolet and infrared
A) electromagnetic radio B) electronic management radiation C) electrical magnet radio D) electromagnetic radiation
A) rill B) sheet C) gully D) slurry
A) Human B) Man C) Woman D) Livings things
A) cover crops B) mulching C) covering sheet D) cover
A) terracing B) all of the above C) fencing D) blocking
A) avoid overgrazing B) planting of cover crops C) deforestation D) mulching
A) 78% B) 79% C) 77% D) 76%
A) evaporation B) precipitation C) condensation D) radiation
A) food B) fuel C) water D) air
A) oxygen cycle B) nitrogen cycle C) carbon cycle D) water cycle
A) agricultural B) humanitarian C) ecological D) economical
A) harvesting B) collection C) conversation D) collation
A) liquid B) air C) water D) fuel
A) primary and secondary hardness B) stable and unstable hardness C) permanent and temporary hardness D) tertiary and primary hardness
A) two pure substances B) pure substance C) none of the above D) impure substance
A) homogeneity B) melting and boiling points C) chemical test D) all of the above
A) clean substance B) pure substance C) purity D) neat substance
A) potential of hydrogen B) potential of hydrogen peroxide C) potential of helium D) potential of hydrogen oxide
A) filtration B) ammoniation C) coagulation D) fluoridation
A) aluminum and manganese B) magnesium and aluminum C) calcium and magnesium D) sulphur and ammonium
A) ion exchange resin B) caustic soda C) boiling D) washing soda
A) false B) maybe C) true D) none of the above
A) using of slaked lime B) using of fluoride C) boiling D) addition of washing soda
A) adding of magnesium B) adding of ammonium C) adding of aluminum D) adding of chlorine
A) improve taste B) clarify the water C) increase pH D) remove hardness
A) ammoniation B) chlorination C) lime treatment D) transpiration
A) Newton B) joules C) kilometer D) kilogram
A) maintains soil texture B) lead to collapse of buildin C) destroy soil structure D) loss soil fertility
A) land pollution B) sand pollution C) air pollution D) water pollution
A) evaporation B) precipitation C) condensation D) convection
A) 300j B) 3kj C) 30j D) 3000j
A) agrochemicals B) nuclear chemicals C) laboratory chemicals D) pharmaceutical chemicals |